chore(aws): Update README.md (#17601)

Author: msonnb

packages/aws-serverless/README.md

@@ -4,21 +4,17 @@
   </a>
 </p>
 
-# Official Sentry SDK for Serverless environments
+# Official Sentry SDK for AWS Lambda
 
 ## Links
 
-- [Official SDK Docs](https://docs.sentry.io/)
+- [Official SDK Docs](https://docs.sentry.io/platforms/javascript/guides/aws-lambda)
 
 ## General
 
-This package is a wrapper around `@sentry/node`, with added functionality related to various Serverless solutions. All
+This package is a wrapper around `@sentry/node`, with added functionality related to AWS Lambda. All
 methods available in `@sentry/node` can be imported from `@sentry/aws-serverless`.
 
-Currently supported environment:
-
-### AWS Lambda
-
 To use this SDK, call `Sentry.init(options)` at the very beginning of your JavaScript file.
 
 ```javascript
@@ -30,14 +26,14 @@ Sentry.init({
 });
 
 // async (recommended)
-exports.handler = Sentry.wrapHandler(async (event, context) => {
+export const handler = async (event, context) => {
   throw new Error('oh, hello there!');
-});
+};
 
 // sync
-exports.handler = Sentry.wrapHandler((event, context, callback) => {
+export const handler = (event, context, callback) => {
   throw new Error('oh, hello there!');
-});
+};
 ```
 
 If you also want to trace performance of all the incoming requests and also outgoing AWS service requests, just set the
@@ -46,21 +42,21 @@ If you also want to trace performance of all the incoming requests and also outg
 ```javascript
 import * as Sentry from '@sentry/aws-serverless';
 
-Sentry.AWSLambda.init({
+Sentry.init({
   dsn: '__DSN__',
   tracesSampleRate: 1.0,
 });
 ```
 
-#### Integrate Sentry using internal extension
+#### Integrate Sentry using the Sentry Lambda layer
 
-Another and much simpler way to integrate Sentry to your AWS Lambda function is to add an official layer.
+Another much simpler way to integrate Sentry to your AWS Lambda function is to add the official layer.
 
 1. Choose Layers -> Add Layer.
-2. Specify an ARN: `arn:aws:lambda:us-west-1:TODO:layer:TODO:VERSION`.
+2. Specify an ARN: `arn:aws:lambda:us-west-1:943013980633:layer:SentryNodeServerlessSDKv10:19`. Get the latest ARN from the [docs](https://docs.sentry.io/platforms/javascript/guides/aws-lambda/install/layer).
 3. Go to Environment variables and add:
-   - `NODE_OPTIONS`: `-r @sentry/aws-serverless/build/npm/cjs/awslambda-auto`.
+   - `NODE_OPTIONS`: `--import @sentry/aws-serverless/awslambda-auto`.
    - `SENTRY_DSN`: `your dsn`.
    - `SENTRY_TRACES_SAMPLE_RATE`: a number between 0 and 1 representing the chance a transaction is sent to Sentry. For
      more information, see
-     [docs](https://docs.sentry.io/platforms/node/guides/aws-lambda/configuration/options/#tracesSampleRate).
+     [docs](https://docs.sentry.io/platforms/javascript/guides/aws-lambda/configuration/options/#tracesSampleRate).